4310-00-929-8780 COMPRESSOR UNIT,RECIPROCATING Index 3110-00-929-8784 BEARING,BALL,ANNULAR

National Stock Number:
5305-00-929-8781

Federal Supply Class:
5305

National Item Identification Number:
009298781

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.


Manufacturer Information:
201415310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.373 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.604 INCHES MINIMUM AND 0.637 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
HEAD DIAMETER0.270 INCHES MAXIMUM
HEAD HEIGHT0.156 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
SPECIAL FEATURES0.036 IN. POINT LG,92.0 POINT CHAMFER ANGLE IN DEG
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32


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